mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-02 07:29:12 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Fix CAB allocation calculation

Browse Source 
[Description]
Accidentally added when should have subtracted
in calculation

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee
2022-09-15 11:32:19 -04:00
committed by Alex Deucher
parent 553bf264a5
commit 5caa63c7b7
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
View File

@@ -243,7 +243,7 @@ static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *c
* mall_alloc_width_blk_aligned_l/c = full_vp_width_blk_aligned_l/c
*/
mall_alloc_width_blk_aligned = ((pipe->plane_res.scl_data.viewport.x +
pipe->plane_res.scl_data.viewport.width + mblk_width - 1) / mblk_width * mblk_width) +
pipe->plane_res.scl_data.viewport.width + mblk_width - 1) / mblk_width * mblk_width) -
(pipe->plane_res.scl_data.viewport.x / mblk_width * mblk_width);
/* full_vp_height_blk_aligned = FLOOR(vp_y_start + full_vp_height + blk_height - 1, blk_height) -
@@ -252,7 +252,7 @@ static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *c
* mall_alloc_height_blk_aligned_l/c = full_vp_height_blk_aligned_l/c
*/
mall_alloc_height_blk_aligned = ((pipe->plane_res.scl_data.viewport.y +
pipe->plane_res.scl_data.viewport.height + mblk_height - 1) / mblk_height * mblk_height) +
pipe->plane_res.scl_data.viewport.height + mblk_height - 1) / mblk_height * mblk_height) -
(pipe->plane_res.scl_data.viewport.y / mblk_height * mblk_height);
num_mblks = ((mall_alloc_width_blk_aligned + mblk_width - 1) / mblk_width) *